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Stockholders' Equity (Tables) | 12 Months Ended
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Dec. 31, 2015
Shareholders' Equity: |
Schedule of Weighted Average assumptions | The following weighted-average assumptions were used for grants issued during 2015 and 2014 under the ASC No. 718 requirements:
|  | 2015 |  |  | 2014 |
Weighted average risk-free rate |  |  | 1.20 | % |  |  | 1.38 | %
Weighted average volatility |  |  | 82.80 | % |  |  | 80.37 | %
Dividend yield |  |  | 0.00 | % |  |  | 0.00 | %
Expected life |  |  | 4.31 years |  |  |  | 4.87 years |
Summarizes Stock Option Activity | The following table summarizes stock option activity for the year ended December 31, 2015 and 2014:
|  | Outstanding Options |  |  | Weighted Average Exercise Price per Share |  |  | Weighted Average Remaining Contractual Life (in years) |  |  | Aggregate Intrinsic Value |
Outstanding January 1, 2014 |  |  | 2,664,000 |  |  | $ | 0.50 |  |  |  | 7.14 |  |  | $ | 706,000 |
Granted |  |  | 5,581,000 |  |  |  | 0.47 |  |  |  | - |  |  |  | - |
Exercised |  |  | (291,000 | ) |  |  | 0.25 |  |  |  | - |  |  |  | - |
Cancelled |  |  | (89,000 | ) |  |  | 1.11 |  |  |  | - |  |  |  | - |
Forfeited |  |  | (642,000 | ) |  |  | 0.27 |  |  |  | - |  |  |  | - |
Expired |  |  | (1,000 | ) |  |  | 3.15 |  |  |  | - |  |  |  | - |
Outstanding December 31, 2014 |  |  | 7,222,000 |  |  |  | 0.50 |  |  |  | 8.60 |  |  |  | 285,000 |
Granted |  |  | 2,140,000 |  |  |  | 0.41 |  |  |  | - |  |  |  | - |
Exercised |  |  | (84,000 | ) |  |  | 0.29 |  |  |  | - |  |  |  | - |
Cancelled |  |  | (1,301,000 | ) |  |  | 0.75 |  |  |  | - |  |  |  | - |
Forfeited |  |  | (1,140,000 | ) |  |  | 0.58 |  |  |  | - |  |  |  | - |
Expired |  |  | (23,000 | ) |  |  | 2.03 |  |  |  | - |  |  |  | - |
Outstanding December 31, 2015 |  |  | 6,814,000 |  |  | $ | 0.41 |  |  |  | 8.67 |  |  | $ | 2,000 |
Options vested and exercisable at December 31, 2015 |  |  | 1,900,000 |  |  | $ | 0.40 |  |  |  | 7.94 |  |  | $ | 2,000 |
Summarizes Restricted Stock Unit | The following table summarizes restricted stock unit activity for the year ended December 31, 2015 and 2014:
|  |  | Outstanding Restricted Stock Units |  |  | Weighted Average Fair Value per Share |
Outstanding January 1, 2014 |  |  |  | 187,000 |  |  | $ | 0.14 |
Granted |  |  |  | - |  |  |  | - |
Released |  |  |  | (173,000 | ) |  |  | - |
Canceled |  |  |  | (14,000 | ) |  |  | - |
Outstanding December 31, 2014 |  |  |  | - |  |  | $ | - |
Granted |  |  |  | - |  |  |  | - |
Released |  |  |  | - |  |  |  | - |
Cancelled |  |  |  | - |  |  |  | - |
Outstanding December 31, 2015 |  |  |  | - |  |  | $ | - |
Balance exercisable at December 31, 2015 |  |  |  | - |  |  |  |  |
Summarizes Warrant Activity | The following summarizes warrant activity for the year ended December 31, 2015 and 2014:
|  |  | Outstanding Warrants |  |  | Weighted Average Exercise Price per Share |  |  | Weighted Average Remaining Contractual Life (in years) |
Outstanding January 1, 2014 |  |  |  | 6,600,000 |  |  | $ | 0.67 |  |  |  | 4.18 |
Granted |  |  |  | - |  |  |  | - |  |  |  | - |
Exercised |  |  |  | - |  |  |  | - |  |  |  | - |
Forfeited |  |  |  | - |  |  |  | - |  |  |  | - |
Outstanding December 31, 2014 |  |  |  | 6,600,000 |  |  | $ | 0.67 |  |  |  | 3.18 |
Granted |  |  |  | - |  |  |  | - |  |  |  | - |
Exercised |  |  |  | - |  |  |  | - |  |  |  | - |
Forfeited |  |  |  | - |  |  |  | - |  |  |  | - |
Outstanding December 31, 2015 |  |  |  | 6,600,000 |  |  | $ | 0.67 |  |  |  | 2.18 |
Balance exercisable at December 31, 2015 |  |  |  | 6,600,000 |  |  | $ | 0.67 |  |  |  | 2.18 |

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- Definition Tabular disclosure of the number and weighted-average exercise prices (or conversion ratios) for share options (or share units) that were outstanding at the beginning and end of the year, vested and expected to vest, exercisable or convertible at the end of the year, and the number of share options or share units that were granted, exercised or converted, forfeited, and expired during the year. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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